CH533300A - Piezoelectric pressure probe - Google Patents
Piezoelectric pressure probeInfo
- Publication number
- CH533300A CH533300A CH1752171A CH1752171A CH533300A CH 533300 A CH533300 A CH 533300A CH 1752171 A CH1752171 A CH 1752171A CH 1752171 A CH1752171 A CH 1752171A CH 533300 A CH533300 A CH 533300A
- Authority
- CH
- Switzerland
- Prior art keywords
- pressure probe
- piezoelectric pressure
- piezoelectric
- probe
- pressure
- Prior art date
Links
- 239000000523 sample Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
- B06B1/0677—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a high impedance backing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Physiology (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712103237 DE2103237A1 (en) | 1971-01-25 | 1971-01-25 | Piezoelectric pressure probe |
Publications (1)
Publication Number | Publication Date |
---|---|
CH533300A true CH533300A (en) | 1973-01-31 |
Family
ID=5796773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1752171A CH533300A (en) | 1971-01-25 | 1971-12-02 | Piezoelectric pressure probe |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH533300A (en) |
DE (1) | DE2103237A1 (en) |
FR (1) | FR2124747A5 (en) |
NL (1) | NL7200054A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT375466B (en) * | 1977-07-27 | 1984-08-10 | List Hans | MEASURING VALUE WITH A PIEZOELECTRIC MEASURING ELEMENT |
DE3021088A1 (en) * | 1980-06-04 | 1981-12-10 | Robert Bosch Gmbh, 7000 Stuttgart | Capacitive press. sensor e.g. for IC engines - has dielectric and two electrodes formed as disc or tube |
-
1971
- 1971-01-25 DE DE19712103237 patent/DE2103237A1/en active Pending
- 1971-12-02 CH CH1752171A patent/CH533300A/en not_active IP Right Cessation
-
1972
- 1972-01-04 NL NL7200054A patent/NL7200054A/xx unknown
- 1972-01-13 FR FR7201079A patent/FR2124747A5/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2124747A5 (en) | 1972-09-22 |
DE2103237A1 (en) | 1972-08-24 |
NL7200054A (en) | 1972-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |